VYVERBERG, Karen L.¹, MUELLER, Paul A.¹, MOGK, David W.² and HENRY, Darrell J.³, (1)Department of Geological Sciences, University of Florida, 241 Williamson Hall, Gainesville, FL 32611-2120, (2)Dept. of Earth Sciences, Montana State University, Bozeman, MT 59717, (3)Dept. of Geology and Geophysics, Louisiana State University, Baton Rouge, LA 70803, kvyverberg@ufl.edu, kvyverberg@ufl.edu

PREMO, Wayne R., U.S. Geological Survey, Denver, CO 80225, MOSCATI, Richard J., U.S. Geological Survey, Box 25046, MS 963, Denver Federal Center, Denver, CO 80225 and DEWITT, Ed H., Central Mineral Resources Team, US Geological Survey, MS 973, Denver Federal Center, Lakewood, CO 80225, wpremo@usgs.gov, wpremo@usgs.gov

MOSCATI, Richard J., U.S. Geological Survey, Box 25046, MS 963, Denver Federal Center, Denver, CO 80225, PREMO, Wayne R., U.S. Geological Survey, Denver, CO 80225 and DEWITT, Ed H., Central Mineral Resources Team, US Geological Survey, MS 973, Denver Federal Center, Lakewood, CO 80225, rmoscati@usgs.gov, rmoscati@usgs.gov

HILL, Joseph C.¹, RUSSELL, Robert James², HALE, Joshua³, SPEZIA, Kyle⁴ and IVY, Robert⁴, (1)Department of Geography and Geology, Sam Houston State University, P.O. Box 2148, Huntsville, TX 77341, (2)Geography & Geology, Sam Houston State University, Huntsville, TX 77341, (3)Earth Sciences and Evironmental Sustainability, Northern Arizona University, Flagstaff, AZ 86001, (4)Geology, University of Louisiana-Lafayette, Lafayette, LA 70504, jch031@shsu.edu, jch031@shsu.edu